The Alkali Metals Are Isolated from Non-Aqueous Systems

Multiple Choice

The alkali metals are isolated from non-aqueous systems. Why is this necessary?

A) The electrolysis of aqueous solutions of the alkali metals requires more energy than electrolysis of the molten salts.
B) The dissolved alkali earth halides are too reactive to be electrolyzed.
C) The aqueous metal ions are more difficult to reduce than water.
D) The reduction potentials of the alkali metals are more positive than the reduction potential of water.
E) The aqueous metal ions react violently with water.